フォームローラーだろう
fōmurōrādarō
1. Probably a foam roller.
Noun
#2484697
1. Probably a foam roller.
1. form
1. roller
1. roller skating; roller skates
1. seems; I think
2. right?; don't you agree?
1. Form-related; Of form
1. Probably okay.; It'll probably be alright.
1. Form; In form
1. Roller's; Of roller
1. With a roller; Using a roller